:root{
  --orange:#E0853C;
  --orange-dark:#C86F2A;
  --orange-soft:#F6E2CC;
  --teal:#5E8A9C;
  --teal-soft:#D9E5E9;
  --ink:#2C2A27;
  --muted:#6E6A63;
  --cream:#FBF8F1;
  --beige:#EFEADD;
  --beige-2:#F4EFE4;
  --card:#FFFFFF;
  --line:#E7E1D4;
  --footer:#383530;
  --shadow:0 18px 50px -28px rgba(60,50,30,.45);
  --shadow-sm:0 8px 24px -16px rgba(60,50,30,.40);
  --radius:18px;
  --maxw:1440px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:"Noto Sans JP",sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.en{font-family:"Inter",sans-serif;letter-spacing:.14em}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(24px, 5vw, 64px);width:100%}
.section{padding:clamp(56px, calc(41.92px + 3.756vw), 96px) 0}
.eyebrow{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-family:"Inter",sans-serif;font-weight:600;letter-spacing:.22em;
  font-size:14.7px;color:var(--orange);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow.teal{color:var(--teal)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.sec-title{
  text-align:center;font-size:clamp(29.4px,3.6vw,42.9px);font-weight:900;
  line-height:1.45;letter-spacing:.02em;margin-bottom:14px;
}
.sec-title .o{color:var(--orange)}
.sec-title .t{color:var(--teal)}
.sec-lead{text-align:center;color:var(--muted);font-size:clamp(15px, calc(14.3px + 0.188vw), 17px);line-height:2;margin-bottom:clamp(34px, calc(26.25px + 2.066vw), 56px)}

/* ---------- header ---------- */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
  padding:14px 0;
}
.header.scrolled{background:rgba(251,248,241,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:63px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.15}
.brand .bt b{font-size:17px;font-weight:900;letter-spacing:.02em}
.brand .bt span{font-size:11.3px;color:var(--muted);font-family:"Inter",sans-serif;letter-spacing:.12em}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15.8px;font-weight:500;color:var(--ink);transition:color .2s}
.nav a:hover{color:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--orange);color:#fff;font-weight:700;font-size:15.8px;
  padding:13px 26px;border-radius:999px;border:none;cursor:pointer;
  box-shadow:0 10px 22px -12px rgba(224,133,60,.9);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 16px 26px -12px rgba(224,133,60,.95)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn.ghost:hover{background:#fff;color:var(--orange);border-color:var(--orange)}
.btn.big{padding:17px 38px;font-size:17px}
.nav-cta{display:inline-flex}
.nav a.nav-cta,.nav a.nav-cta:hover{color:#fff}
.menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.menu-btn span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(96px, calc(76.99px + 5.07vw), 150px) 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(60% 70% at 85% 8%,rgba(224,133,60,.16),transparent 60%),
    radial-gradient(50% 60% at 12% 30%,rgba(94,138,156,.14),transparent 60%),
    linear-gradient(180deg,#FCF7EE 0%,#FBF8F1 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px, calc(18.37px + 1.502vw), 40px);align-items:center}
.hero h1{
  font-size:clamp(33.9px,4.6vw,56.5px);font-weight:900;line-height:1.42;
  letter-spacing:.01em;margin-bottom:clamp(18px, calc(15.18px + 0.751vw), 26px);
}
.hero h1 .hl{position:relative;display:inline-block}
.hero h1 .hl::after{content:"";position:absolute;left:-2px;right:-2px;bottom:6px;height:14px;background:rgba(224,133,60,.22);z-index:-1;border-radius:2px}
.hero p.lead{font-size:clamp(16px, calc(15.26px + 0.197vw), 18.1px);color:#54514b;line-height:2.05;margin-bottom:14px;max-width:660px}
.hero p.sub{font-size:15.8px;color:var(--muted);line-height:2;margin-bottom:30px;max-width:660px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.hero-note{font-size:13.6px;color:#928d83;letter-spacing:.02em}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;filter:drop-shadow(0 40px 60px rgba(50,40,20,.18));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- logo strip ---------- */
.logos{margin-top:clamp(38px, calc(28.85px + 2.441vw), 64px);padding:30px 0 18px;border-top:1px solid var(--line)}
.logos .cap{text-align:center;font-size:13.6px;color:var(--muted);letter-spacing:.06em;margin-bottom:22px}
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:clamp(48px, calc(33.21px + 3.944vw), 90px);width:max-content;animation:scroll 38s linear infinite}
.marquee-track img{height:200px;width:auto}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- problem ---------- */
.problem{background:var(--beige);position:relative}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px, calc(9.89px + 0.563vw), 18px);max-width:1160px;margin:0 auto}
.p-card{
  display:flex;align-items:flex-start;gap:14px;background:var(--card);
  padding:20px 22px;border-radius:14px;box-shadow:var(--shadow-sm);
  font-size:16.4px;font-weight:500;line-height:1.7;
}
.p-card .ico{
  flex:0 0 28px;height:28px;border-radius:8px;display:grid;place-items:center;
  font-weight:700;color:#fff;font-size:17px;margin-top:2px;
}
.p-card:nth-child(odd) .ico{background:#E6A86B}
.p-card:nth-child(even) .ico{background:#8FB3C0}
.p-statement{
  text-align:center;margin-top:clamp(32px, calc(24.25px + 2.066vw), 54px);font-size:clamp(20.3px,2.4vw,27.1px);
  font-weight:700;line-height:1.95;
}
.p-statement .o{color:var(--orange)}

/* ---------- definition ---------- */
.definition{background:var(--cream)}
.def-card{
  background:#fff;border-radius:28px;box-shadow:var(--shadow);
  padding:clamp(44px, calc(35.55px + 2.254vw), 68px) clamp(28px, calc(18.14px + 2.629vw), 56px) clamp(40px, calc(32.96px + 1.878vw), 60px);text-align:center;max-width:1180px;margin:0 auto;
}
.def-card .sec-title{font-size:clamp(26px,3.2vw,37.3px)}
.def-card p{color:var(--muted);font-size:16.4px;line-height:2.1;max-width:840px;margin:8px auto 0}
.def-card img{max-width:min(470px,100%);margin:38px auto 0}

/* ---------- reason ---------- */
.reason{background:var(--beige-2)}
.reason-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px, calc(12.48px + 0.939vw), 26px);max-width:1240px;margin:0 auto}
.r-card{
  background:#fff;border-radius:20px;padding:34px 32px 100px;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;
}
.r-card p{padding-right:60px}
.r-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:14px}
.r-num{
  flex:0 0 auto;font-family:"Inter",sans-serif;font-weight:700;font-size:15.8px;
  color:#fff;background:var(--orange);width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
}
.r-card:nth-child(even) .r-num{background:var(--teal)}
.r-head h3{font-size:20.3px;font-weight:700;line-height:1.5;padding-top:4px}
.r-card p{color:var(--muted);font-size:15.3px;line-height:1.95}
.r-icon{
  position:absolute;right:24px;bottom:20px;width:74px;height:74px;border-radius:50%;
  background:var(--beige);display:grid;place-items:center;opacity:.9;
}
.r-icon img{width:42px;height:42px;object-fit:contain;opacity:.85}

/* ---------- service ---------- */
.service{background:var(--cream)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px, calc(11.18px + 0.751vw), 22px);max-width:1320px;margin:0 auto}
.s-card{
  background:#fff;border-radius:18px;padding:28px 26px;box-shadow:var(--shadow-sm);
  border:1px solid #F0EBDF;transition:transform .3s,box-shadow .3s;
}
.s-top{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.s-num{
  font-family:"Inter",sans-serif;font-weight:700;font-size:14.7px;color:#fff;background:var(--orange);
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
}
.s-card:nth-child(3n+2) .s-num{background:var(--teal)}
.s-label{font-family:"Inter",sans-serif;font-size:12.4px;letter-spacing:.16em;color:#a39b8c;font-weight:600}
.s-top h3{font-size:18.6px;font-weight:700;margin-top:2px}
.s-card p{color:var(--muted);font-size:14.7px;line-height:1.9}

/* ---------- solutions ---------- */
.solutions{background:var(--beige-2)}
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px, calc(11.89px + 0.563vw), 20px);max-width:1240px;margin:0 auto}
.sol-card{background:#fff;border-radius:16px;padding:24px 26px;box-shadow:var(--shadow-sm)}
.sol-row{display:flex;align-items:center;gap:12px}
.sol-row.q{padding-bottom:14px;border-bottom:1px dashed var(--line);margin-bottom:14px}
.tag{font-size:12.4px;font-weight:700;color:#fff;padding:4px 11px;border-radius:7px;flex:0 0 auto;letter-spacing:.04em}
.tag.q{background:var(--orange)}
.tag.a{background:var(--teal)}
.sol-row.q b{font-size:18.1px;font-weight:700}
.sol-row.a p{font-size:14.7px;color:var(--muted);line-height:1.85}

/* ---------- works ---------- */
.works{background:var(--cream)}
.works-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px, calc(14.48px + 0.939vw), 28px);max-width:1240px;margin:0 auto}
.w-card{
  display:block;color:inherit;text-decoration:none;
  background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s;
}
.works-cta{text-align:center;margin-top:clamp(30px, calc(23.66px + 1.69vw), 48px)}
.w-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.w-thumb{aspect-ratio:16/10;overflow:hidden;background:#eee}
.w-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.w-card:hover .w-thumb img{transform:scale(1.05)}
.w-body{padding:22px 24px 26px}
.w-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}
.w-tags span{font-size:11.9px;color:var(--muted);background:var(--beige);padding:4px 10px;border-radius:6px;font-weight:500}
.w-body h3{font-size:19.2px;font-weight:700;margin-bottom:8px}
.w-body p{font-size:14.1px;color:var(--muted);line-height:1.85}

/* ---------- flow ---------- */
.flow{background:var(--beige)}
.flow-wrap{max-width:1000px;margin:0 auto;position:relative}
.f-step{display:grid;grid-template-columns:80px 48px 1fr;gap:20px;align-items:start;position:relative;padding-bottom:30px}
.f-step:last-child{padding-bottom:0}
/* 各ステップの番号円の中心(left:123px)から次の円の中心まで縦線を引く */
.f-step:not(:last-child)::after{content:"";position:absolute;left:123px;top:38px;width:2px;height:100%;background:var(--line);z-index:0}
.f-period{
  background:var(--teal-soft);color:#4d6f7c;font-size:14.7px;font-weight:700;
  border-radius:16px;text-align:center;padding:10px 6px;min-height:88px;
  display:grid;place-items:center;
}
.f-step:nth-child(even) .f-period{background:var(--orange-soft);color:#b06a2c}
.f-dot{
  width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid var(--line);
  display:grid;place-items:center;font-family:"Inter",sans-serif;font-weight:700;
  font-size:15.8px;color:var(--ink);z-index:1;justify-self:center;margin-top:16px;
}
.f-body{padding-top:14px}
.f-body h3{font-size:19.2px;font-weight:700;margin-bottom:7px}
.f-body p{font-size:15.3px;color:var(--muted);line-height:1.9}

/* ---------- faq ---------- */
.faq{background:var(--cream)}
.faq-list{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq-q{
  display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;
  font-size:17px;font-weight:700;list-style:none;
}
.faq-q .qi{
  width:26px;height:26px;border-radius:50%;background:var(--teal-soft);color:var(--teal);
  display:grid;place-items:center;font-family:"Inter";font-weight:700;font-size:14.7px;flex:0 0 auto;
}
.faq-q .chev{margin-left:auto;transition:transform .3s;color:var(--teal);flex:0 0 auto}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px 64px;font-size:15.3px;color:var(--muted);line-height:1.95}

/* ---------- contact ---------- */
.contact{background:var(--beige)}
.contact .sec-title{font-size:clamp(27.1px,3.4vw,40.7px)}
.contact .sec-lead{margin-bottom:clamp(28px, calc(22.37px + 1.502vw), 44px)}
.form-card{background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:clamp(30px, calc(23.66px + 1.69vw), 48px) clamp(30px, calc(23.66px + 1.69vw), 48px);max-width:940px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:22px}
.field label{display:flex;align-items:center;gap:8px;font-size:14.7px;font-weight:700;margin-bottom:9px}
.req{font-size:11.3px;font-weight:700;color:#fff;background:var(--orange);padding:2px 8px;border-radius:5px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);background:#FBF9F4;border-radius:12px;
  padding:14px 16px;font-family:inherit;font-size:15.8px;color:var(--ink);transition:border .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(224,133,60,.15);background:#fff}
.field textarea{resize:vertical;min-height:130px}
.field.full{margin-bottom:18px}
.agree{display:flex;align-items:center;justify-content:center;gap:9px;font-size:14.7px;color:var(--muted);margin-bottom:26px}
.agree a{color:var(--teal);text-decoration:underline}
.form-card .btn.big{width:100%;max-width:340px;margin:0 auto;display:flex}

/* ---------- footer ---------- */
.footer{background:var(--footer);color:#d9d4cb;padding:clamp(40px, calc(31.55px + 2.254vw), 64px) 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(24px, calc(18.37px + 1.502vw), 40px);padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h4{color:#fff;font-size:19.2px;font-weight:900;margin-bottom:14px}
.footer .fdesc{font-size:14.7px;line-height:1.95;color:#b0aba2}
.footer .fdesc .en{display:block;margin-top:8px;font-size:12.4px;color:#8c877e}
.footer .fcol h5{font-family:"Inter";font-size:15.8px;letter-spacing:.08em;color:#fff;margin-bottom:16px;font-weight:600}
.footer .fcol a{display:block;font-size:14.7px;color:#b0aba2;padding:6px 0;transition:color .2s}
.footer .fcol a:hover{color:var(--orange)}
.copy{padding-top:22px;font-family:"Inter";font-size:12.4px;letter-spacing:.1em;color:#8c877e}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- form states ---------- */
.form-error{color:#c0392b;font-size:15.3px;font-weight:500;text-align:center;margin:0 0 16px;line-height:1.7}
.form-error:empty{display:none;margin:0}
.btn:disabled{opacity:.6;cursor:default;transform:none;box-shadow:none}
.form-done{text-align:center;padding:60px 40px}
.form-done .done-check{width:66px;height:66px;border-radius:50%;background:var(--orange);color:#fff;font-size:38.4px;font-weight:700;display:grid;place-items:center;margin:0 auto 22px;box-shadow:0 12px 26px -12px rgba(224,133,60,.9)}
.form-done h3{font-size:24.9px;font-weight:900;margin-bottom:12px}
.form-done p{color:var(--muted);font-size:15.8px;line-height:2}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .service-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer .fbrand{grid-column:1/-1}
}
@media(max-width:760px){
  .section{padding:70px 0}
  .nav{
    position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100vh;
    background:var(--cream);flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 32px 40px;box-shadow:-10px 0 40px -20px rgba(0,0,0,.4);
    transition:right .35s ease;
  }
  .nav.open{right:0}
  .nav a{font-size:18.1px;padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-cta{margin-top:14px}
  .menu-btn{display:flex;z-index:101}
  .menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-btn.open span:nth-child(2){opacity:0}
  .menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding:120px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:10px}
  .hero-visual{order:-1;max-width:360px;margin:0 auto}
  .hero p.lead,.hero p.sub{max-width:none}
  .problem-grid,.reason-grid,.sol-grid,.works-grid,.service-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:16px}
  .def-card{padding:44px 24px 40px}
  .form-card{padding:34px 22px}
  .f-step{grid-template-columns:40px 1fr;gap:14px}
  .f-step:not(:last-child)::after{left:19px;top:20px}
  .f-period{grid-column:2;grid-row:1;justify-self:start;min-height:0;padding:7px 14px;margin-bottom:6px;font-size:13.6px}
  .f-dot{grid-column:1;grid-row:1;margin-top:0;width:40px;height:40px}
  .f-body{grid-column:2;grid-row:2;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
}